WO2016152313A1 - 電力変換用回路基板及び電動圧縮機 - Google Patents

電力変換用回路基板及び電動圧縮機 Download PDF

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Publication number
WO2016152313A1
WO2016152313A1 PCT/JP2016/054262 JP2016054262W WO2016152313A1 WO 2016152313 A1 WO2016152313 A1 WO 2016152313A1 JP 2016054262 W JP2016054262 W JP 2016054262W WO 2016152313 A1 WO2016152313 A1 WO 2016152313A1
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WO
WIPO (PCT)
Prior art keywords
power conversion
circuit board
high voltage
conversion circuit
circuit
Prior art date
Application number
PCT/JP2016/054262
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English (en)
French (fr)
Japanese (ja)
Inventor
服部　誠
洋行 上谷
樋口　博人
Original Assignee
三菱重工オートモーティブサーマルシステムズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱重工オートモーティブサーマルシステムズ株式会社 filed Critical 三菱重工オートモーティブサーマルシステムズ株式会社
Priority to DE112016001383.3T priority Critical patent/DE112016001383T5/de
Priority to CN201680017453.2A priority patent/CN107567678A/zh
Priority to US15/560,066 priority patent/US10707769B2/en
Publication of WO2016152313A1 publication Critical patent/WO2016152313A1/ja

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/02—Mountings
    • H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/023—Reduction of cross-talk, noise or electromagnetic interference using auxiliary mounted passive components or auxiliary substances
    • H05K1/0231—Capacitors or dielectric substances
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal

Definitions

  • the present invention relates to a circuit board for power conversion and a motor-driven compressor.
  • Priority is claimed on Japanese Patent Application No. 2015-060840, filed March 24, 2015, the content of which is incorporated herein by reference.
  • a compressor constituting an on-vehicle air conditioner, a motor for driving the compressor, and a circuit board for controlling the compressor are integrally configured.
  • An integrated electric compressor is provided (see, for example, Patent Documents 1 and 2).
  • a motor-driven electric compressor uses a voltage of several hundred volts as a power supply, and it has not been required in design to exceed 1000 V at the maximum.
  • an input of 1000 V or more may be required as a voltage power supply.
  • the present invention has been made in view of the above problems, and an object thereof is to reduce the influence of electromagnetic noise on an external device and to achieve a circuit board for electric power conversion capable of achieving a higher withstand voltage and an electric compression. To provide a machine.
  • One embodiment of the present invention is a substrate mounted with a power conversion circuit that converts direct current into alternating current, and the low voltage circuit to which a low voltage is applied is the same as the high voltage circuit to which a high voltage is applied.
  • the high voltage circuit is a circuit board for power conversion having a series capacitor group consisting of a plurality of capacitor elements connected in series between the power supply wiring and the ground wiring. .
  • the voltage applied to each capacitor element is divided and reduced, so that the withstand voltage performance as a high voltage circuit can be enhanced.
  • each capacitor element constituting the series capacitor group can be selected as desired, whereby the impedance characteristics of the series capacitor group as a whole can be controlled in accordance with the electromagnetic noise unique to the product. Therefore, the influence of the electromagnetic noise on the external device can be reduced, and the withstand voltage can be further increased.
  • each capacitor element constituting the series capacitor group can reduce electromagnetic noise at a plurality of frequencies corresponding to a plurality of frequencies at which the electromagnetic noise is equal to or higher than a specified value. Have different impedance characteristics.
  • the series capacitor group is mounted at the same position on the front surface side and the rear surface side of the substrate, and is mounted at the same position on the front surface side and the rear surface side.
  • the series capacitor group is mounted such that the arrangement patterns of the plurality of capacitor elements are identical to each other. By doing this, it is possible to equalize the capacitance value of the series capacitor group on the front surface side and the rear surface side, including the stray capacitance according to the arrangement pattern.
  • Another embodiment of the present invention is a motor-driven compressor including the above-described power conversion circuit board and a motor that operates based on AC power supplied from the power conversion circuit board.
  • the influence of electromagnetic noise on external devices can be reduced, and the withstand voltage can be further increased.
  • FIG. 1 explaining the characteristic of the series capacitor group which concerns on 1st Embodiment.
  • FIG. 2 explaining the characteristic of the series capacitor group which concerns on 1st Embodiment. It is a figure explaining the effect based on the structure of the high voltage circuit which concerns on 1st Embodiment.
  • FIG. 1 is a perspective view of a power conversion circuit board according to the first embodiment.
  • FIG. 2 is a plan view of the power conversion circuit board according to the first embodiment.
  • FIG. 3 is a bottom view of the power conversion circuit board according to the first embodiment.
  • FIG. 4 is a side view of the power conversion circuit board according to the first embodiment.
  • FIG. 5 is a front view of the power conversion circuit board according to the first embodiment.
  • the power conversion circuit board 1 according to the first embodiment is a circuit board constituting an inverter that converts DC power supplied from the outside through an input terminal (described later) into three-phase AC power.
  • the power conversion circuit board 1 is integrally mounted on an electric compressor together with an AC motor that operates based on three-phase AC power output from the power conversion circuit board 1.
  • the electric compressor is used, for example, in an air conditioner (car air conditioner) mounted on a vehicle.
  • the electric compressor power conversion circuit board 1 receives an input of DC power from a battery or the like mounted on a vehicle.
  • the power conversion circuit board 1 includes a board main body 10 and a bus bar support member 20.
  • the substrate body 10 is a circuit board on which various circuit elements for forming a power conversion circuit (inverter) for converting direct current into alternating current are mounted. As shown in FIG. 1 etc., a part of the high voltage circuit 10a to which a high voltage is applied to the substrate surface (including both the + Z direction surface and the ⁇ Z direction surface) of the substrate body 10 The low voltage circuits 10b to which the low voltage is applied are separately arranged in different areas.
  • the high voltage circuit 10a is a circuit of a large power system to which a high voltage necessary to drive an AC motor (not shown) is applied. Specifically, a direct current high voltage input from a battery or the like mounted on a vehicle is applied to the high voltage circuit 10a. The input DC high voltage is converted to three-phase AC power for driving the AC motor through the switching element SW. Each switching element SW switches to an ON state in which current flows and an OFF state in which the current is shut off based on a drive signal (gate input) from a low voltage circuit 10 b (described later). Two switching elements SW are provided corresponding to each of the U phase, the V phase, and the W phase forming three-phase alternating current.
  • switching elements SW are mounted on the substrate surface of the substrate body 10. By repeating ON / OFF at the timing when each switching element SW is defined, AC power of three phases (U phase, V phase, W phase) is supplied to the AC motor.
  • the switching element SW for example, an IGBT (Insulated Gate Bipolar Transistor) is representative, but in addition, a bipolar transistor, a MOSFET (Metal-Oxide-Semiconductor Field effect transistor) or the like may be used.
  • the low voltage circuit 10b is a small signal circuit which operates at a lower voltage than the high voltage circuit 10a.
  • a control chip such as a microcomputer and various sensors such as a current sensor are mounted on the low voltage circuit 10b, and the low voltage circuit 10b operates by applying a DC low voltage.
  • the microcomputer mounted on the low voltage circuit 10b outputs desired drive signals according to the situation, for example, by outputting predetermined drive signals according to the detection results of various sensors to each switching element SW. To be controlled.
  • the substrate body 10 according to the first embodiment is a multilayer wiring board in which a plurality of layers are stacked.
  • the power supply pattern layer on which the power supply wiring to which the high voltage is applied is patterned and the GND (ground) on which the ground wiring to be grounded is patterned
  • the pattern layer is laminated.
  • FIGS. 1 to 5 the structure of the high voltage circuit 10a will be described in more detail with reference to FIGS.
  • a high voltage input terminal 10a1, an RC circuit 10a2, a switching element SW, a bus bar supporting member 20, a capacitor C and an inductor L are electrically connected. It is connected to.
  • the power conversion circuit board 1 will be mainly described with reference to FIG. 3 which is viewed from the bottom surface side ( ⁇ Z direction side).
  • the + X direction side in FIG. 3 is described as the left side (left end side), the ⁇ X direction side as the right side (right end side), etc.
  • the + Y direction side is the upper side (upper end side)
  • the ⁇ Y direction side is the lower side. It is written as (lower end side) etc.
  • the high voltage input terminal 10a1 is mounted on the substrate surface on the back surface side ( ⁇ Z direction side) of the substrate body 10 and on the left end side (+ X direction side) of the substrate body 10 (see FIG. 3) .
  • a separately mounted battery is electrically connected to the high voltage input terminal 10a1, and a DC high voltage is applied from the battery.
  • a capacitor C for high voltage and an inductor L are mounted on the surface of the substrate opposite to the surface on which the high voltage input terminal 10a1 is mounted (the + Z direction side) (see FIG. 2).
  • the capacitor C for high voltage and the inductor L stabilize the DC high voltage from the battery.
  • the DC high voltage input from the high voltage input terminal 10a1 passes through the RC circuit 10a2 disposed on the right end side (-X direction side) of the high voltage circuit 10a, and the six switching elements SW similarly mounted on the right end side Is input to
  • the RC circuit 10a2 is a circuit in which a resistive element and a capacitor element are electrically connected, and functions as a low pass filter that removes high frequency components.
  • the RC circuit 10a2 is a substrate surface of the substrate body 10, and at least a part of the RC circuit 10a2 is mounted in a space between the bus bar supporting member 20 described later and the substrate body 10 (see FIG. 3 etc.).
  • the six switching elements SW are mounted on the lower side ( ⁇ Y direction side) of the RC circuit 10 a 2 in the substrate body 10.
  • the bus bar support member 20 is adjacent to the substrate surface on the back surface side ( ⁇ Z direction side) of the substrate body 10 and to the left side (+ X direction side) of the area where the six switching elements SW are mounted. Will be placed.
  • the bus bar support member 20 is disposed at a position spaced apart from the substrate surface on the back surface side of the substrate body 10 by a predetermined distance (see FIG. 4).
  • three bus bars corresponding to each of the U phase, the V phase, and the W phase are mounted inside the bus bar support member 20 .
  • the three bus bars mounted inside the bus bar support member 20 are the bus bar connection terminals 20 a located on the lower end side ( ⁇ Y direction side) of the bus bar support member 20 while maintaining a constant distance from the substrate surface of the substrate body 10.
  • the three bus bars are arranged to cross over the high voltage circuit 10 a mounted from the left end side to the right end side of the substrate surface of the substrate body 10.
  • the three bus bars mounted inside the bus bar support member 20 are electrically connected to the wires mounted on the surface of the substrate of the substrate body 10 at the bus bar connection terminals 20 a.
  • the AC power of each phase generated by the ON / OFF driving of the switching element SW is input to the corresponding bus bars via the bus bar connection terminals 20a.
  • the AC power corresponding to each of the U phase, V phase and W phase passes through the bus bar connecting terminal 20a located on the lower end side of the bus bar support member 20 and the bus bar extending from the upper end side to the high voltage output terminal 20b of each phase.
  • the high voltage circuit 10a mounted on the power conversion circuit board 1 is a switching element from the high voltage input terminal 10a1 of the high voltage circuit 10a.
  • the wiring to SW and the wiring from the switching element SW to the high voltage output terminal 20b are arranged to cross each other.
  • the substrate main body portion 10 is a capacitor element provided for the purpose of reducing electromagnetic noise, and is a power supply wiring to which a high voltage is applied in the high voltage circuit 10a and a ground connected to the ground And a plurality of series capacitor groups 10a3 connected between the wires.
  • the series capacitor group 10a3 is formed by connecting a plurality of (for example, five) capacitor elements (for example, several thousands pF order per element) in series (see FIGS. 2 and 3).
  • Each capacitor element may be, for example, a general ceramic capacitor or the like.
  • the series capacitor group 10a3 includes the front surface side (the surface on the + Z direction side) of the substrate body 10 and the back surface side (the ⁇ Z direction side) Are mounted at the same positions (positions overlapping each other as viewed from the + Z direction side or the ⁇ Z direction side) in the
  • the two series capacitor groups 10a3 mounted at the same position on the front surface side and the rear surface side are mounted such that the arrangement patterns of the plurality of capacitor elements are the same.
  • casing of the electric compressor which is not shown in figure is provided in the board
  • the power conversion circuit board 1 is screwed to the housing of the electric compressor through the fixing hole 11.
  • a plurality of fixing holes 11 are provided one by one at each of the four corners of the substrate body 10, and a plurality of fixing holes 11 are provided near the center of the substrate body 10 (see FIGS. 2 and 3).
  • a grounding land connected to a grounding wire is provided at the edge of the fixing hole 11.
  • the fixing hole 11 is screwed, and the power conversion circuit board 1 is grounded through the grounding land provided at the edge of the fixing hole 11.
  • the series capacitor group 10a3 described above is mounted in the vicinity of the fixing hole 11 corresponding to each of the fixing holes 11 (see FIGS. 2 and 3).
  • FIG. 6A is a first diagram for explaining the characteristics of the series capacitor group according to the first embodiment.
  • FIG. 6B is a second diagram illustrating the characteristics of the series capacitor group according to the first embodiment.
  • the graph shown to FIG. 6A has shown the example of the frequency characteristic of the electromagnetic noise which arises from the circuit board 1 for power conversion (a vertical axis is noise intensity [dB], a horizontal axis is frequency [Hz]).
  • the graph shown to FIG. 6B has shown the example of the frequency characteristic of the impedance of each capacitor element which comprises serial capacitor group 10a3 (A vertical axis
  • the electromagnetic noise radiated from the power conversion circuit board 1 has a product-specific frequency characteristic due to the characteristics of the element to be mounted, the circuit pattern thereof, the applied voltage, the operating frequency and the like.
  • the electromagnetic noise of the power conversion circuit board 1 exhibits an intensity higher than the predetermined value TH at a plurality of different frequencies f1 and f2.
  • the five capacitor elements constituting the series capacitor group 10a3 respectively reduce the electromagnetic noise at the plurality of frequencies f1 and f2 corresponding to the plurality of frequencies f1 and f2 at which the electromagnetic noise is equal to or higher than the specified value TH. Selected to enable.
  • the impedance ( ⁇ ) of the capacitor element has frequency characteristics as shown in FIG. 6B. That is, due to the resonance characteristic, there is a frequency band where the impedance is locally reduced.
  • the frequency characteristics of the impedance of such a capacitor element differ depending on the type of the capacitor element to be selected and the like. Therefore, by combining the frequency characteristics of different impedances corresponding to the frequencies f1 and f2 where the electromagnetic noise is strong, the impedance of each capacitor element constituting the series capacitor group is set to a desired frequency (frequency f1, f2, etc.) Electromagnetic noise can be effectively reduced.
  • FIG. 7 is a diagram for explaining the effects based on the structure of the high voltage circuit according to the first embodiment.
  • the low voltage circuit 10b to which a low voltage is applied is the same as the high voltage circuit 10a to which a high voltage is applied.
  • the substrate is divided into different areas and arranged one by one.
  • the wiring from the high voltage input terminal 10a1 to the switching element SW in the high voltage circuit 10a (DC current Id is A bus bar is formed on the substrate surface of the substrate main body 10, and a wiring (a wiring through which an alternating current Ia flows) from the switching element SW to the high voltage output terminal 20b is provided at a predetermined distance from the substrate surface.
  • electromagnetic noise (ringing noise etc.) generated by driving of the switching element SW is added to the RC circuit 10a2 and the wiring formed on the substrate surface of the substrate body 10 and a predetermined distance from the substrate surface It is absorbed also between the busbars provided to prevent the electromagnetic noise from being radiated to the outside.
  • the wiring from the high voltage input terminal 10a1 to the switching element SW and the wiring from the switching element SW to the high voltage output terminal 20b cross each other. It is arranged as.
  • the wiring through which the direct current Id flows in the high voltage circuit 10a (the wiring mounted on the substrate surface of the substrate body 10a) and the wiring through which the alternating current Id flows in the high voltage circuit 10a (supported by the bus bar support member 20) And the bus bar) to be three-dimensionally intersected.
  • electromagnetic noise generated by driving of the switching element SW can be effectively absorbed at the intersections with each other, and the electromagnetic noise can be further suppressed from being radiated to the outside.
  • the region occupied by the high voltage circuit 10 a in the power conversion circuit board 1 can be compactly integrated into one. Therefore, the entire power conversion circuit board 1 can be further miniaturized (space saving).
  • the power conversion circuit board 1 it is provided between the wiring from the high voltage input terminal 10a1 to the switching element SW and the wiring from the switching element SW to the high voltage output terminal At least a part of the RC circuit 10a2 is provided in the space. In this way, the effect of removing electromagnetic noise can be obtained based on the function of the RC circuit 10a2 as a low pass filter. In order to secure a space necessary for mounting RC circuit 10a2, it is provided between the wiring from high voltage input terminal 10a1 to switching element SW and the wiring from switching element SW to the high voltage output terminal. Space can be used effectively. Therefore, further space saving of the power conversion circuit board 1 can be achieved.
  • the high voltage circuit 10a includes the series capacitor group 10a3 including a plurality of capacitor elements connected in series between the power supply wiring and the ground wiring. It is characterized by By doing this, the voltage applied to each capacitor element is divided and reduced, so that the withstand voltage performance of the high voltage circuit 10a can be enhanced. In addition, even if one of the capacitor elements is broken and short circuited, it is possible to prevent the short circuit between the power supply wiring and the ground wiring by other capacitor elements connected in series. Furthermore, by doing this, it becomes possible to select each capacitor element constituting the series capacitor group 10a3 as desired, so the impedance characteristics of the series capacitor group 10a3 as a whole are matched to the electromagnetic noise unique to the product. Can be properly controlled. From the above, the influence of the electromagnetic noise on the external device can be reduced, and the breakdown voltage can be further increased.
  • each capacitor element constituting the series capacitor group 10a3 corresponds to a plurality of frequencies at which the electromagnetic noise is equal to or higher than the specified value TH (FIG. 6A).
  • different impedance characteristics frequency characteristics of impedance
  • each of which can reduce electromagnetic noise at the plurality of frequencies.
  • the electromagnetic noise of a desired frequency is effectively reduced by combining the frequency characteristics of different impedances in correspondence with the frequencies where the electromagnetic noise is strong (the frequencies f1 and f2 in FIG. 6A).
  • the series capacitor group 10a3 is mounted in the same position in the surface side and back surface side of the board
  • the power conversion circuit board 1 is disposed such that the wiring from the high voltage input terminal 10a1 to the switching element SW and the wiring from the switching element SW to the high voltage output terminal 20b intersect.
  • the wiring from the high voltage input terminal 10a1 to the switching element SW and the wiring from the switching element SW to the high voltage output terminal 20b do not necessarily cross each other. Alternatively, for example, at least a part of the two may extend in an overlapping manner.
  • the power conversion circuit board 1 is described as being connected to the RC circuit 10a2 for the purpose of reducing the electromagnetic noise according to the driving of the switching element SW, but in the other embodiments, It is not limited to this aspect. That is, the power conversion circuit board 1 according to another embodiment may not include the RC circuit 10a2. Further, in this case, the power conversion circuit board 1 according to the other embodiment may be configured such that only lands on which the RC circuit 10a2 can be mounted are formed. Thus, by providing only the region for mounting the RC circuit 10a2, it is possible to select the mounting / non-mounting of the RC circuit 10a2 according to the customer's request (degree of electromagnetic noise to be reduced). it can.
  • the influence of electromagnetic noise on external devices can be reduced, and the withstand voltage can be further increased.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inverter Devices (AREA)
  • Compressor (AREA)
  • Manufacturing & Machinery (AREA)
PCT/JP2016/054262 2015-03-24 2016-02-15 電力変換用回路基板及び電動圧縮機 WO2016152313A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112016001383.3T DE112016001383T5 (de) 2015-03-24 2016-02-15 Energieumwandlungsleiterplatte und elektrischer kompressor
CN201680017453.2A CN107567678A (zh) 2015-03-24 2016-02-15 电力转换用电路基板及电动压缩机
US15/560,066 US10707769B2 (en) 2015-03-24 2016-02-15 Power conversion circuit board and electric compressor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-060840 2015-03-24
JP2015060840A JP6571358B2 (ja) 2015-03-24 2015-03-24 電力変換用回路基板及び電動圧縮機

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Publication Number Publication Date
WO2016152313A1 true WO2016152313A1 (ja) 2016-09-29

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PCT/JP2016/054262 WO2016152313A1 (ja) 2015-03-24 2016-02-15 電力変換用回路基板及び電動圧縮機

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US (1) US10707769B2 (de)
JP (1) JP6571358B2 (de)
CN (2) CN107567678A (de)
DE (1) DE112016001383T5 (de)
WO (1) WO2016152313A1 (de)

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CN112586100A (zh) * 2018-08-09 2021-03-30 艾思玛太阳能技术股份公司 中间回路装置和逆变器

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ES2957210T3 (es) * 2014-12-22 2024-01-15 Mitsubishi Electric Corp Uso de una placa de circuito
JP7359534B2 (ja) * 2018-09-21 2023-10-11 サンデン株式会社 電動圧縮機
WO2020080869A1 (ko) * 2018-10-19 2020-04-23 한온시스템 주식회사 인버터 모듈 및 이를 포함하는 전동압축기
KR20200044689A (ko) * 2018-10-19 2020-04-29 한온시스템 주식회사 인버터 모듈 및 이를 포함하는 전동압축기
CN112291919B (zh) * 2020-11-05 2022-04-19 苏州浪潮智能科技有限公司 一种基于防撞保护的pcb板及快速组装方法

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US20180076733A1 (en) 2018-03-15
DE112016001383T5 (de) 2017-12-14

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